Are Impact Windows Soundproof? Here’s What Florida Homeowners Need to Know

When most homeowners in Florida consider upgrading to impact windows, their main concern is usually hurricane protection. But another commonly asked question is: Are impact windows also soundproof?

While impact windows offer many performance benefits, their sound-reducing abilities are often misunderstood. Let’s clear it up.

What Makes a Window Soundproof?

To understand whether impact windows are soundproof, it helps to know how soundproofing works. Sound travels in waves, and soundproof windows are designed to:

• Block airborne sound (like traffic, barking dogs, or loud neighbors)

• Reduce sound transmission through materials like glass and frames

• Absorb or dampen vibrations that carry sound

Truly soundproof windows are rare and usually found in recording studios or high-end commercial buildings. However, many residential windows, especially well-constructed ones, can significantly reduce noise.

How Impact Windows Help Reduce Noise

Impact windows are not technically soundproof, but they are highly effective at sound reduction. Here's why:

• Laminated Glass Construction
  Impact windows consist of two layers of glass bonded with a tough interlayer (usually polyvinyl butyral, or PVB). This interlayer dampens sound vibrations and acts as a sound barrier.

• Thicker Glass & Heavier Frames
  Compared to standard windows, impact-rated products are made with thicker glass and more rigid framing, which helps block sound waves.

• Tighter Seals
  Because impact windows must withstand high wind pressure, they are built with tighter seals. This limits the amount of outside air and sound that can leak in.

How Much Noise Reduction Can You Expect?

Impact windows can reduce outside noise by up to 50% or more compared to single-pane windows. The actual performance depends on:

• The STC rating (Sound Transmission Class) of the window

• The type and thickness of the glass

• The quality of installation

• Your home's existing insulation

An average impact window may have an STC rating of 32–35, while standard single-pane windows often fall below 27. For reference, a 10-point increase in STC roughly cuts perceived noise in half.

Who Benefits Most from Sound-Reducing Windows?

Florida homeowners living near:

• Busy roads or intersections

• Airports or train tracks

• Schools or commercial zones

• Noisy neighbors or construction sites

… will notice a major difference when upgrading to quality impact windows.

Other Benefits of Impact Windows

Sound reduction is just one benefit. Impact windows also:

• Protect against flying debris and intruders

• Increase energy efficiency and comfort

• Boost home value and curb appeal

• May qualify for insurance discounts in Florida

Are They Worth the Investment?

If you're looking for a window that protects your home and gives you peace and quiet, impact windows are a smart choice. While they’re not completely soundproof, they offer one of the best combinations of safety, performance, and noise control available for Florida homeowners.

Get Expert Advice from Artisan Windows & Doors

Ready to enjoy a quieter, safer home? Our team at Artisan Windows & Doors can help you choose the right impact windows for your lifestyle and budget. Schedule a free consultation today to get started.